3D PRINTED SMK PR900W UPGRADE KIT. CHOOSE WHAT YOU NEED FROM THE LIST OF UPGRADE PARTS TO MAKE YOUR SMK PR900W BETTER THAN THE FACTORY. BARREL BRACE HELPS WITH ACCURACY, INSTALL YOUR OWN BIPOD WITH THE PICATINY BRACE. ADD A BOLT EXTENSION WHICH HELPS WHILE WEARING GLOVES IN THE COLD. FILL PORT DUST COVER WHICH WILL PROTECT YOUR FILL VALVE. NEED MORE SPACE TO MOUNT YOUR SCOPE WHY NOT ADD AN EXTENSION TO BE ABLE TO MOVE YOUR SCOPE FORWARD FOR BETTER EYE RELIEF.
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